Green combustion synthesised Zn/NiO nanocomposite for photocatalytic and supercapacitor applications DOI

Ramasubbaiah Vusenappagari,

Behara Dilip Kumar

International Journal of Environmental & Analytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 20

Published: Dec. 26, 2024

In the present research study, a Zn:NiO nanocomposite (NC) was extracted using Tulsi leaf extract via bio-mediated solution combustion method. The composite material is characterised by XRD, DRS, SEM, EDAX and TEM spectral methods. XRD shows that average crystallite size of NC ~28 nm. SEM images exhibit hexagonal shape an particle about 80 provide information Zn diffraction spots typically correspond to structure, while NiO rings/spots consistent with its cubic structure. DRS spectra give energy band gap value for 3.34 eV. photocatalytic activity (PCA) measured photodegradation Fast Orange Red (FOR) dye, it maximum absorption observed at 495 nm 84.46% degradation under UV light irradiation. also used as electrode in Cyclic Voltammetric (CV) studies, exhibits surface redox mechanism Ni2+ Ni3+, which emerged 0.13 V (cathodic) −0.07 (anodic) 10 mV/s 1 M KOH solution. GCD highest specific capacitance 239.8 F/g current density A/g. excellent outstanding cycle stability, retaining 81.5% starting after 3000 cycles. This suggests appropriate use supercapacitors.

Language: Английский

Microwave-Assisted synthesis of interconnected holey nanosheets of zinc vanadate for High-Performance supercapacitor DOI
A.T. Avatare, R.S. Redekar,

J.L. Chouhan

et al.

Journal of Electroanalytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 118809 - 118809

Published: Nov. 1, 2024

Language: Английский

Citations

5
Enhanced Photocatalytic and Electrochemical Application of Combustion‐Synthesized Nb2O5/MgO/Fe2O3 Nanocomposites DOI Creative Commons
Mir Waqas Alam, Ghayah M. Alsulaim, Shada A. Alsharif

et al.

Applied Organometallic Chemistry, Journal Year: 2025, Volume and Issue: 39(3)

Published: Feb. 19, 2025

ABSTRACT The development of advanced nanocomposites has the potential to greatly enhance detection hazardous chemicals in environment. This research focuses on synthesizing and characterizing Nb 2 O 5 /MgO/Fe 3 address existing limitations offer sustainable solutions. X‐ray diffraction (XRD) study confirms phase formation crystalline nature with an average particle size 55 nm. Fourier‐transform infrared (FTIR) spectroscopy presence functional groups nanocomposite. UV–visible prepared nanocomposite reveals synergistic interactions among phases, leading a remarkable reduction bandgap (2.2 eV). Scanning electron microscopy (SEM) provides insights into surface morphology Zeta analysis charge −32.5 mV, indicating excellent stability. Photocatalytic studies show effective dye degradation at optimized catalyst concentration 20 mg 40 ppm solutions under UV irradiation. Furthermore, its porous structure high area contribute superior photocatalytic azo dyes efficient electrochemical mercury chloride dextrose 0.1 M HCl medium. Additionally, efficiency was evaluated for dyes, such as fast orange red direct green Systematic optimization variables including dosage, concentration, irradiation time significantly enhanced performance. results confirm nanocomposite's strong environmental remediation through organic pollutants sensing capabilities detecting substances, which make this versatile material impactful applications wastewater treatment sensing.

Language: Английский

Citations

0
Multiwalled carbon nanotube supported indium doped zinc vanadate photocatalyst for enhanced degradation of acridine orange dye DOI

Hamdah S. Alanazi,

Alanood Sulaiman Ababtain, Rajeh Alotaibi

et al.

Research on Chemical Intermediates, Journal Year: 2025, Volume and Issue: unknown

Published: March 25, 2025

Language: Английский

Citations

0
Green Combustion Synthesis of Copper Magnesium Vanadate (CuMgV) NPs Using Neem Extract: Its Photocatalytic and Supercapacitor Applications DOI
Mir Waqas Alam

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 19, 2024

ABSTRACT Organic dyes are a substantial contribution to environmental pollution and considered as hazardous. These compounds widely used in various industries like textiles, food, paper, cosmetics, printing. A cationic dye, such Fast Blue (FB) Congo Red (CR), is an example of organic compound with several commercial uses but dangerous for environment human beings. Copper Magnesium Vanadate NPs (CuMgV NPs) were successfully prepared using the combustion method which Neem extract was fuel. The XRD, FTIR, FESEM techniques analyze sample's structure morphology. XRD reveals monoclinic CuMgV average particle size around 30 nm. presence tiny particles that prefabricated form distributed, spherical shape, between 15 25 nm observed by HRTEM microscopic investigations. assessed electrochemical techniques. In photocatalytic tests, 120 min UV light irradiation sufficient achieve 58% 55.52% decolorization rate industrial pollutants CR FB dyes. found have specific capacitance value 560.5 Fg −1 at 1 Ag retention 89% after 4000 cycles. features promote production energy applications provide greater insight into characteristics material.

Language: Английский

Citations

3
Investigation of structural and optical properties of boron-doped ZnO nanomaterials synthesized by hydrothermal method DOI Creative Commons
Nida Katı,

Büşra Ayten

Journal of the Indian Chemical Society, Journal Year: 2025, Volume and Issue: unknown, P. 101706 - 101706

Published: April 1, 2025

Language: Английский

Citations

0
Green combustion synthesised Zn/NiO nanocomposite for photocatalytic and supercapacitor applications DOI

Ramasubbaiah Vusenappagari,

Behara Dilip Kumar

International Journal of Environmental & Analytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 20

Published: Dec. 26, 2024

In the present research study, a Zn:NiO nanocomposite (NC) was extracted using Tulsi leaf extract via bio-mediated solution combustion method. The composite material is characterised by XRD, DRS, SEM, EDAX and TEM spectral methods. XRD shows that average crystallite size of NC ~28 nm. SEM images exhibit hexagonal shape an particle about 80 provide information Zn diffraction spots typically correspond to structure, while NiO rings/spots consistent with its cubic structure. DRS spectra give energy band gap value for 3.34 eV. photocatalytic activity (PCA) measured photodegradation Fast Orange Red (FOR) dye, it maximum absorption observed at 495 nm 84.46% degradation under UV light irradiation. also used as electrode in Cyclic Voltammetric (CV) studies, exhibits surface redox mechanism Ni2+ Ni3+, which emerged 0.13 V (cathodic) −0.07 (anodic) 10 mV/s 1 M KOH solution. GCD highest specific capacitance 239.8 F/g current density A/g. excellent outstanding cycle stability, retaining 81.5% starting after 3000 cycles. This suggests appropriate use supercapacitors.

Language: Английский

Citations

0